49218372 has 36 divisors (see below), whose sum is σ = 142187136. Its totient is φ = 14062320.

The previous prime is 49218361. The next prime is 49218373. The reversal of 49218372 is 27381294.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49218373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97404 + ... + 97907.

Almost surely, 2^49218372 is an apocalyptic number.

49218372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49218372 is an abundant number, since it is smaller than the sum of its proper divisors (92968764).

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

49218372 is a wasteful number, since it uses less digits than its factorization.

49218372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195328 (or 195323 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 49218372 is about 7015.5806602162. The cubic root of 49218372 is about 366.4733640429.

The spelling of 49218372 in words is "forty-nine million, two hundred eighteen thousand, three hundred seventy-two".