49097640 has 64 divisors (see below), whose sum is σ = 153705600. Its totient is φ = 12522752.

The previous prime is 49097599. The next prime is 49097641. The reversal of 49097640 is 4679094.

It is not an unprimeable number, because it can be changed into a prime (49097641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6135 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (2401650).

Almost surely, 2^49097640 is an apocalyptic number.

49097640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49097640 is an abundant number, since it is smaller than the sum of its proper divisors (104607960).

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

49097640 is a wasteful number, since it uses less digits than its factorization.

49097640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17826 (or 17822 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 49097640 is about 7006.9708148386. The cubic root of 49097640 is about 366.1734672952.

The spelling of 49097640 in words is "forty-nine million, ninety-seven thousand, six hundred forty".