49640407 has 8 divisors (see below), whose sum is σ = 52346160. Its totient is φ = 46944000.

The previous prime is 49640399. The next prime is 49640411. The reversal of 49640407 is 70404694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49640407 - 2³ = 49640399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49640477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10407 + ... + 14407.

It is an arithmetic number, because the mean of its divisors is an integer number (6543270).

Almost surely, 2^49640407 is an apocalyptic number.

49640407 is a deficient number, since it is larger than the sum of its proper divisors (2705753).

49640407 is a wasteful number, since it uses less digits than its factorization.

49640407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 49640407 is about 7045.5948648783. The cubic root of 49640407 is about 367.5178561981.

The spelling of 49640407 in words is "forty-nine million, six hundred forty thousand, four hundred seven".