49399824 has 40 divisors (see below), whose sum is σ = 135125280. Its totient is φ = 15497728.

The previous prime is 49399817. The next prime is 49399843. The reversal of 49399824 is 42899394.

It is a super-2 number, since 2×49399824² = 4880685222461952, which contains 22 as substring.

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

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, 29454 + ... + 31085.

It is an arithmetic number, because the mean of its divisors is an integer number (3378132).

Almost surely, 2^49399824 is an apocalyptic number.

It is an amenable number.

49399824 is an abundant number, since it is smaller than the sum of its proper divisors (85725456).

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

49399824 is a wasteful number, since it uses less digits than its factorization.

49399824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60567 (or 60561 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 49399824 is about 7028.5008358824. The cubic root of 49399824 is about 366.9231674474.

The spelling of 49399824 in words is "forty-nine million, three hundred ninety-nine thousand, eight hundred twenty-four".