45449653440 has 112 divisors (see below), whose sum is σ = 144346745088. Its totient is φ = 12116204544.

The previous prime is 45449653433. The next prime is 45449653463. The reversal of 45449653440 is 4435694454.

It is a super-2 number, since 2×45449653440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 45449653440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4798149 + ... + 4807611.

It is an arithmetic number, because the mean of its divisors is an integer number (1288810224).

Almost surely, 2^45449653440 is an apocalyptic number.

45449653440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45449653440 is an abundant number, since it is smaller than the sum of its proper divisors (98897091648).

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

45449653440 is a wasteful number, since it uses less digits than its factorization.

45449653440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486 (or 14476 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 45449653440 in words is "forty-five billion, four hundred forty-nine million, six hundred fifty-three thousand, four hundred forty".