40025550431 has 16 divisors (see below), whose sum is σ = 42876475200. Its totient is φ = 37231246848.

The previous prime is 40025550419. The next prime is 40025550457. The reversal of 40025550431 is 13405552004.

It is not a de Polignac number, because 40025550431 - 2¹⁴ = 40025534047 is a prime.

It is a super-2 number, since 2×40025550431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40025550394 and 40025550403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025550491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868805 + ... + 913713.

It is an arithmetic number, because the mean of its divisors is an integer number (2679779700).

Almost surely, 2^40025550431 is an apocalyptic number.

40025550431 is a deficient number, since it is larger than the sum of its proper divisors (2850924769).

40025550431 is a wasteful number, since it uses less digits than its factorization.

40025550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45538.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 40025550431 in words is "forty billion, twenty-five million, five hundred fifty thousand, four hundred thirty-one".