40155802102 has 32 divisors (see below), whose sum is σ = 68710142592. Its totient is φ = 17436294144.

The previous prime is 40155802091. The next prime is 40155802117. The reversal of 40155802102 is 20120855104.

It is a super-2 number, since 2×40155802102² (a number of 22 digits) contains 22 as substring.

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, 1182403 + ... + 1215889.

It is an arithmetic number, because the mean of its divisors is an integer number (2147191956).

Almost surely, 2^40155802102 is an apocalyptic number.

40155802102 is a deficient number, since it is larger than the sum of its proper divisors (28554340490).

40155802102 is a wasteful number, since it uses less digits than its factorization.

40155802102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 40155802102 in words is "forty billion, one hundred fifty-five million, eight hundred two thousand, one hundred two".