40002553513 has 8 divisors (see below), whose sum is σ = 44565179400. Its totient is φ = 35652142848.

The previous prime is 40002553489. The next prime is 40002553541. The reversal of 40002553513 is 31535520004.

It can be written as a sum of positive squares in 4 ways, for example, as 4127163049 + 35875390464 = 64243^2 + 189408^2 .

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 40002553513 - 2¹³ = 40002545321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40002550513) 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, 53053408 + ... + 53054161.

It is an arithmetic number, because the mean of its divisors is an integer number (5570647425).

Almost surely, 2^40002553513 is an apocalyptic number.

It is an amenable number.

40002553513 is a deficient number, since it is larger than the sum of its proper divisors (4562625887).

40002553513 is a wasteful number, since it uses less digits than its factorization.

40002553513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106107611.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 40002553513 in words is "forty billion, two million, five hundred fifty-three thousand, five hundred thirteen".