45550100040 has 64 divisors (see below), whose sum is σ = 136669377600. Its totient is φ = 12144997632.

The previous prime is 45550100023. The next prime is 45550100041. The reversal of 45550100040 is 4000105554.

It is a super-2 number, since 2×45550100040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (45550100041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002454 + ... + 1046906.

It is an arithmetic number, because the mean of its divisors is an integer number (2135459025).

Almost surely, 2^45550100040 is an apocalyptic number.

45550100040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45550100040 is an abundant number, since it is smaller than the sum of its proper divisors (91119277560).

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

45550100040 is a wasteful number, since it uses less digits than its factorization.

45550100040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53006 (or 53002 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 45550100040 its reverse (4000105554), we get a palindrome (49550205594).

The spelling of 45550100040 in words is "forty-five billion, five hundred fifty million, one hundred thousand, forty".