40881257515 has 32 divisors (see below), whose sum is σ = 58215024000. Its totient is φ = 26965413888.

The previous prime is 40881257513. The next prime is 40881257591. The reversal of 40881257515 is 51575218804.

40881257515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40881257515 - 2¹ = 40881257513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40881257513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198171 + ... + 347899.

It is an arithmetic number, because the mean of its divisors is an integer number (1819219500).

Almost surely, 2^40881257515 is an apocalyptic number.

40881257515 is a deficient number, since it is larger than the sum of its proper divisors (17333766485).

40881257515 is a wasteful number, since it uses less digits than its factorization.

40881257515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150039.

The product of its (nonzero) digits is 448000, while the sum is 46.

The spelling of 40881257515 in words is "forty billion, eight hundred eighty-one million, two hundred fifty-seven thousand, five hundred fifteen".