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40454554451 = 307181172763
BaseRepresentation
bin100101101011010001…
…111000001101010011
310212102100101021222112
4211223101320031103
51130322331220301
630330133255535
72631334016303
oct455321701523
9125370337875
1040454554451
111617a5a5583
127a101945ab
133a792b52ac
141d5aad3603
1510bb8749bb
hex96b478353

40454554451 has 8 divisors (see below), whose sum is σ = 40609297344. Its totient is φ = 40299961320.

The previous prime is 40454554429. The next prime is 40454554487. The reversal of 40454554451 is 15445545404.

40454554451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40454554451 - 214 = 40454538067 is a prime.

It is a super-2 number, since 2×404545544512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40454554399 and 40454554408.

It is not an unprimeable number, because it can be changed into a prime (40454554411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519596 + ... + 592358.

It is an arithmetic number, because the mean of its divisors is an integer number (5076162168).

Almost surely, 240454554451 is an apocalyptic number.

40454554451 is a deficient number, since it is larger than the sum of its proper divisors (154742893).

40454554451 is a wasteful number, since it uses less digits than its factorization.

40454554451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74881.

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 40454554451 in words is "forty billion, four hundred fifty-four million, five hundred fifty-four thousand, four hundred fifty-one".

Divisors: 1 307 1811 72763 555977 22338241 131773793 40454554451