40121025010 has 64 divisors (see below), whose sum is σ = 80973457920. Its totient is φ = 14187813120.

The previous prime is 40121025001. The next prime is 40121025017. The reversal of 40121025010 is 1052012104.

40121025010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40121025017) 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, 786976 + ... + 836404.

It is an arithmetic number, because the mean of its divisors is an integer number (1265210280).

Almost surely, 2^40121025010 is an apocalyptic number.

40121025010 is an abundant number, since it is smaller than the sum of its proper divisors (40852432910).

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

40121025010 is a wasteful number, since it uses less digits than its factorization.

40121025010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49651.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 40121025010 its reverse (1052012104), we get a palindrome (41173037114).

The spelling of 40121025010 in words is "forty billion, one hundred twenty-one million, twenty-five thousand, ten".