40210121010 has 64 divisors (see below), whose sum is σ = 98465238144. Its totient is φ = 10507008000.

The previous prime is 40210120991. The next prime is 40210121023. The reversal of 40210121010 is 1012101204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225505 + ... + 362315.

It is an arithmetic number, because the mean of its divisors is an integer number (1538519346).

Almost surely, 2^40210121010 is an apocalyptic number.

40210121010 is an abundant number, since it is smaller than the sum of its proper divisors (58255117134).

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

40210121010 is a wasteful number, since it uses less digits than its factorization.

40210121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137019.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 40210121010 its reverse (1012101204), we get a palindrome (41222222214).

The spelling of 40210121010 in words is "forty billion, two hundred ten million, one hundred twenty-one thousand, ten".