40510521551004 has 24 divisors (see below), whose sum is σ = 96830027123088. Its totient is φ = 13174153349760.

The previous prime is 40510521550999. The next prime is 40510521551029. The reversal of 40510521551004 is 40015512501504.

It is a happy number.

It is a super-2 number, since 2×40510521551004² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 41169228727 + ... + 41169229710.

It is an arithmetic number, because the mean of its divisors is an integer number (4034584463462).

Almost surely, 2^{40510521551004} is an apocalyptic number.

It is an amenable number.

40510521551004 is an abundant number, since it is smaller than the sum of its proper divisors (56319505572084).

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

40510521551004 is a wasteful number, since it uses less digits than its factorization.

40510521551004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82338458485 (or 82338458483 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 40510521551004 in words is "forty trillion, five hundred ten billion, five hundred twenty-one million, five hundred fifty-one thousand, four".