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40231200442 = 222987841049
BaseRepresentation
bin100101011101111101…
…110110011010111010
310211211210002201212211
4211131331312122322
51124343141403232
630252034125334
72622652363366
oct453575663272
9124753081784
1040231200442
1116075511394
12796942084a
133a41c42064
141d391922a6
1510a6e55a47
hex95df766ba

40231200442 has 8 divisors (see below), whose sum is σ = 60610324500. Its totient is φ = 20027758944.

The previous prime is 40231200433. The next prime is 40231200461. The reversal of 40231200442 is 24400213204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33804131881 + 6427068561 = 183859^2 + 80169^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43920067 + ... + 43920982.

Almost surely, 240231200442 is an apocalyptic number.

40231200442 is a deficient number, since it is larger than the sum of its proper divisors (20379124058).

40231200442 is a wasteful number, since it uses less digits than its factorization.

40231200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87841280.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40231200442 its reverse (24400213204), we get a palindrome (64631413646).

The spelling of 40231200442 in words is "forty billion, two hundred thirty-one million, two hundred thousand, four hundred forty-two".

Divisors: 1 2 229 458 87841049 175682098 20115600221 40231200442