45455050440 has 48 divisors (see below), whose sum is σ = 147728915100. Its totient is φ = 12121346688.

The previous prime is 45455050429. The next prime is 45455050549. The reversal of 45455050440 is 4405055454.

45455050440 is a `hidden beast` number, since 4 + 54 + 550 + 50 + 4 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41638034916 + 3817015524 = 204054^2 + 61782^2 .

It is a super-2 number, since 2×45455050440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45455050395 and 45455050404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63131655 + ... + 63132374.

Almost surely, 2^45455050440 is an apocalyptic number.

45455050440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45455050440 is an abundant number, since it is smaller than the sum of its proper divisors (102273864660).

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

45455050440 is a wasteful number, since it uses less digits than its factorization.

45455050440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126264046 (or 126264039 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 45455050440 in words is "forty-five billion, four hundred fifty-five million, fifty thousand, four hundred forty".