49150640 has 160 divisors (see below), whose sum is σ = 145704960. Its totient is φ = 14976000.

The previous prime is 49150639. The next prime is 49150687. The reversal of 49150640 is 4605194.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486590 + ... + 486690.

It is an arithmetic number, because the mean of its divisors is an integer number (910656).

Almost surely, 2^49150640 is an apocalyptic number.

49150640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49150640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72852480).

49150640 is an abundant number, since it is smaller than the sum of its proper divisors (96554320).

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

49150640 is a wasteful number, since it uses less digits than its factorization.

49150640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 49150640 is about 7010.7517428590. The cubic root of 49150640 is about 366.3051790890.

The spelling of 49150640 in words is "forty-nine million, one hundred fifty thousand, six hundred forty".