45948943942440 has 128 divisors (see below), whose sum is σ = 171860985169920. Its totient is φ = 9547832505600.

The previous prime is 45948943942417. The next prime is 45948943942477. The reversal of 45948943942440 is 4424934984954.

It is a super-2 number, since 2×45948943942440² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2486405476 + ... + 2486423955.

It is an arithmetic number, because the mean of its divisors is an integer number (1342663946640).

Almost surely, 2^{45948943942440} is an apocalyptic number.

45948943942440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45948943942440 is an abundant number, since it is smaller than the sum of its proper divisors (125912041227480).

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

45948943942440 is a wasteful number, since it uses less digits than its factorization.

45948943942440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972829463 (or 4972829459 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 69.

The spelling of 45948943942440 in words is "forty-five trillion, nine hundred forty-eight billion, nine hundred forty-three million, nine hundred forty-two thousand, four hundred forty".