49998042 has 12 divisors (see below), whose sum is σ = 108329130. Its totient is φ = 16666008.

The previous prime is 49998031. The next prime is 49998043. The reversal of 49998042 is 24089994.

It can be written as a sum of positive squares in only one way, i.e., 28291761 + 21706281 = 5319^2 + 4659^2 .

It is not an unprimeable number, because it can be changed into a prime (49998043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1388817 + ... + 1388852.

Almost surely, 2^49998042 is an apocalyptic number.

49998042 is an abundant number, since it is smaller than the sum of its proper divisors (58331088).

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

49998042 is a wasteful number, since it uses less digits than its factorization.

49998042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777677 (or 2777674 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 49998042 is about 7070.9293590023. The cubic root of 49998042 is about 368.3983409121.

It can be divided in two parts, 4999 and 8042, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 49998042 in words is "forty-nine million, nine hundred ninety-eight thousand, forty-two".