40031185254 has 32 divisors (see below), whose sum is σ = 80410459104. Its totient is φ = 13285789440.

The previous prime is 40031185231. The next prime is 40031185297. The reversal of 40031185254 is 45258113004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2306232 + ... + 2323524.

It is an arithmetic number, because the mean of its divisors is an integer number (2512826847).

Almost surely, 2^40031185254 is an apocalyptic number.

40031185254 is an abundant number, since it is smaller than the sum of its proper divisors (40379273850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40031185254 is a wasteful number, since it uses less digits than its factorization.

40031185254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18952.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 40031185254 its reverse (45258113004), we get a palindrome (85289298258).

The spelling of 40031185254 in words is "forty billion, thirty-one million, one hundred eighty-five thousand, two hundred fifty-four".