40025042255531 has 4 divisors (see below), whose sum is σ = 40025069785200. Its totient is φ = 40025014725864.

The previous prime is 40025042255411. The next prime is 40025042255551. The reversal of 40025042255531 is 13555224052004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40025042255531 - 2¹⁰ = 40025042254507 is a prime.

It is a super-2 number, since 2×40025042255531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40025042255551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11454776 + ... + 14534853.

It is an arithmetic number, because the mean of its divisors is an integer number (10006267446300).

Almost surely, 2^{40025042255531} is an apocalyptic number.

40025042255531 is a deficient number, since it is larger than the sum of its proper divisors (27529669).

40025042255531 is a wasteful number, since it uses less digits than its factorization.

40025042255531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27529668.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 40025042255531 in words is "forty trillion, twenty-five billion, forty-two million, two hundred fifty-five thousand, five hundred thirty-one".