49175440 has 20 divisors (see below), whose sum is σ = 114333084. Its totient is φ = 19670144.

The previous prime is 49175429. The next prime is 49175491. The reversal of 49175440 is 4457194.

It can be written as a sum of positive squares in 2 ways, for example, as 34058896 + 15116544 = 5836^2 + 3888^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 49175396 and 49175405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307267 + ... + 307426.

Almost surely, 2^49175440 is an apocalyptic number.

49175440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49175440 is an abundant number, since it is smaller than the sum of its proper divisors (65157644).

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

49175440 is a wasteful number, since it uses less digits than its factorization.

49175440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614706 (or 614700 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 49175440 is about 7012.5202316999. The cubic root of 49175440 is about 366.3667777509.

The spelling of 49175440 in words is "forty-nine million, one hundred seventy-five thousand, four hundred forty".