45469261440 has 128 divisors (see below), whose sum is σ = 161037028800. Its totient is φ = 12125131776.

The previous prime is 45469261427. The next prime is 45469261447. The reversal of 45469261440 is 4416296454.

45469261440 is a `hidden beast` number, since 4 + 546 + 9 + 2 + 61 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (45469261447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298382 + ... + 1332941.

Almost surely, 2^45469261440 is an apocalyptic number.

45469261440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45469261440 is an abundant number, since it is smaller than the sum of its proper divisors (115567767360).

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

45469261440 is a wasteful number, since it uses less digits than its factorization.

45469261440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631351 (or 2631333 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 45469261440 in words is "forty-five billion, four hundred sixty-nine million, two hundred sixty-one thousand, four hundred forty".