49220940 has 24 divisors (see below), whose sum is σ = 137818800. Its totient is φ = 13125568.

The previous prime is 49220921. The next prime is 49220957. The reversal of 49220940 is 4902294.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 49220898 and 49220907.

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, 410115 + ... + 410234.

It is an arithmetic number, because the mean of its divisors is an integer number (5742450).

Almost surely, 2^49220940 is an apocalyptic number.

It is an amenable number.

49220940 is an abundant number, since it is smaller than the sum of its proper divisors (88597860).

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

49220940 is a wasteful number, since it uses less digits than its factorization.

49220940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820361 (or 820359 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 49220940 is about 7015.7636790302. The cubic root of 49220940 is about 366.4797375927.

The spelling of 49220940 in words is "forty-nine million, two hundred twenty thousand, nine hundred forty".