49401948028 has 12 divisors (see below), whose sum is σ = 86461921000. Its totient is φ = 24698542032.

The previous prime is 49401948007. The next prime is 49401948067. The reversal of 49401948028 is 82084910494.

It is a super-2 number, since 2×49401948028² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561903 + ... + 643846.

Almost surely, 2^49401948028 is an apocalyptic number.

It is an amenable number.

49401948028 is a deficient number, since it is larger than the sum of its proper divisors (37059972972).

49401948028 is a wasteful number, since it uses less digits than its factorization.

49401948028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215996 (or 1215994 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 49401948028 in words is "forty-nine billion, four hundred one million, nine hundred forty-eight thousand, twenty-eight".