49782940 has 12 divisors (see below), whose sum is σ = 104544216. Its totient is φ = 19913168.

The previous prime is 49782913. The next prime is 49782991. The reversal of 49782940 is 4928794.

It is a super-2 number, since 2×49782940² = 4956682230087200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244554 + ... + 1244593.

It is an arithmetic number, because the mean of its divisors is an integer number (8712018).

Almost surely, 2^49782940 is an apocalyptic number.

It is an amenable number.

49782940 is an abundant number, since it is smaller than the sum of its proper divisors (54761276).

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

49782940 is a wasteful number, since it uses less digits than its factorization.

49782940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489156 (or 2489154 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49782940 is about 7055.7026581341. The cubic root of 49782940 is about 367.8692726431.

The spelling of 49782940 in words is "forty-nine million, seven hundred eighty-two thousand, nine hundred forty".