48199640 has 32 divisors (see below), whose sum is σ = 109242000. Its totient is φ = 19138944.

The previous prime is 48199639. The next prime is 48199661. The reversal of 48199640 is 4699184.

It is a super-2 number, since 2×48199640² = 4646410592259200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 9894.

Almost surely, 2^48199640 is an apocalyptic number.

48199640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48199640 is an abundant number, since it is smaller than the sum of its proper divisors (61042360).

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

48199640 is a wasteful number, since it uses less digits than its factorization.

48199640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 48199640 is about 6942.5960562314. The cubic root of 48199640 is about 363.9272688078.

The spelling of 48199640 in words is "forty-eight million, one hundred ninety-nine thousand, six hundred forty".