49016640 has 56 divisors (see below), whose sum is σ = 155630880. Its totient is φ = 13070848.

The previous prime is 49016633. The next prime is 49016659. The reversal of 49016640 is 4661094.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 49016598 and 49016607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24570 + ... + 26489.

Almost surely, 2^49016640 is an apocalyptic number.

49016640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49016640 is an abundant number, since it is smaller than the sum of its proper divisors (106614240).

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

49016640 is a wasteful number, since it uses less digits than its factorization.

49016640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51079 (or 51069 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 49016640 is about 7001.1884705384. The cubic root of 49016640 is about 365.9719886592.

The spelling of 49016640 in words is "forty-nine million, sixteen thousand, six hundred forty".