49452390 has 128 divisors (see below), whose sum is σ = 144708480. Its totient is φ = 11943936.

The previous prime is 49452379. The next prime is 49452419. The reversal of 49452390 is 9325494.

49452390 is a `hidden beast` number, since 49 + 4 + 523 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256134 + ... + 256326.

It is an arithmetic number, because the mean of its divisors is an integer number (1130535).

Almost surely, 2^49452390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49452390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72354240).

49452390 is an abundant number, since it is smaller than the sum of its proper divisors (95256090).

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

49452390 is a wasteful number, since it uses less digits than its factorization.

49452390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 49452390 is about 7032.2393303982. The cubic root of 49452390 is about 367.0532680862.

The spelling of 49452390 in words is "forty-nine million, four hundred fifty-two thousand, three hundred ninety".