49934640 has 80 divisors (see below), whose sum is σ = 176917248. Its totient is φ = 11413248.

The previous prime is 49934617. The next prime is 49934663. The reversal of 49934640 is 4643994.

It is an interprime number because it is at equal distance from previous prime (49934617) and next prime (49934663).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13182 + ... + 16541.

Almost surely, 2^49934640 is an apocalyptic number.

49934640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49934640 is an abundant number, since it is smaller than the sum of its proper divisors (126982608).

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

49934640 is a wasteful number, since it uses less digits than its factorization.

49934640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29746 (or 29740 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 49934640 is about 7066.4446506005. Note that the first 3 decimals coincide. The cubic root of 49934640 is about 368.2425543344.

The spelling of 49934640 in words is "forty-nine million, nine hundred thirty-four thousand, six hundred forty".