45455541040 has 80 divisors (see below), whose sum is σ = 130072799808. Its totient is φ = 14385927168.

The previous prime is 45455541017. The next prime is 45455541049. The reversal of 45455541040 is 4014555454.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×45455541040² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45455541049) 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, 3114667 + ... + 3129226.

Almost surely, 2^45455541040 is an apocalyptic number.

45455541040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45455541040 is an abundant number, since it is smaller than the sum of its proper divisors (84617258768).

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

45455541040 is a wasteful number, since it uses less digits than its factorization.

45455541040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243926 (or 6243920 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 45455541040 in words is "forty-five billion, four hundred fifty-five million, five hundred forty-one thousand, forty".