49046640 has 40 divisors (see below), whose sum is σ = 152045328. Its totient is φ = 13079040.

The previous prime is 49046639. The next prime is 49046653. The reversal of 49046640 is 4664094.

It is a tau number, because it is divible by the number of its divisors (40).

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, 101941 + ... + 102420.

Almost surely, 2^49046640 is an apocalyptic number.

49046640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49046640 is an abundant number, since it is smaller than the sum of its proper divisors (102998688).

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

49046640 is a wasteful number, since it uses less digits than its factorization.

49046640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204377 (or 204371 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 49046640 is about 7003.3306362045. The cubic root of 49046640 is about 366.0466362383.

The spelling of 49046640 in words is "forty-nine million, forty-six thousand, six hundred forty".