49701640 has 32 divisors (see below), whose sum is σ = 112078080. Its totient is φ = 19836352.

The previous prime is 49701629. The next prime is 49701703. The reversal of 49701640 is 4610794.

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, 21417 + ... + 23623.

It is an arithmetic number, because the mean of its divisors is an integer number (3502440).

Almost surely, 2^49701640 is an apocalyptic number.

49701640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49701640 is an abundant number, since it is smaller than the sum of its proper divisors (62376440).

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

49701640 is a wasteful number, since it uses less digits than its factorization.

49701640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 49701640 is about 7049.9390068284. The cubic root of 49701640 is about 367.6689090424.

The spelling of 49701640 in words is "forty-nine million, seven hundred one thousand, six hundred forty".