49407942 has 32 divisors (see below), whose sum is σ = 104400000. Its totient is φ = 15545088.

The previous prime is 49407929. The next prime is 49407959. The reversal of 49407942 is 24970494.

It is a happy number.

It is a super-2 number, since 2×49407942² = 4882289465350728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49407942.

It is a congruent number.

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, 38934 + ... + 40182.

It is an arithmetic number, because the mean of its divisors is an integer number (3262500).

Almost surely, 2^49407942 is an apocalyptic number.

49407942 is an abundant number, since it is smaller than the sum of its proper divisors (54992058).

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

49407942 is a wasteful number, since it uses less digits than its factorization.

49407942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 49407942 is about 7029.0783179589. The cubic root of 49407942 is about 366.9432654888.

It can be divided in two parts, 4940794 and 2, that added together give a triangular number (4940796 = T₃₁₄₃).

The spelling of 49407942 in words is "forty-nine million, four hundred seven thousand, nine hundred forty-two".