650879040 has 112 divisors (see below), whose sum is σ = 2361785472. Its totient is φ = 148770816.

The previous prime is 650879039. The next prime is 650879041. The reversal of 650879040 is 40978056.

It is an interprime number because it is at equal distance from previous prime (650879039) and next prime (650879041).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×650879040² = 847287049422643200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650879040.

It is not an unprimeable number, because it can be changed into a prime (650879041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41709 + ... + 55148.

Almost surely, 2^650879040 is an apocalyptic number.

650879040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650879040 is an abundant number, since it is smaller than the sum of its proper divisors (1710906432).

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

650879040 is a wasteful number, since it uses less digits than its factorization.

650879040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96884 (or 96874 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 650879040 is about 25512.3311361389. The cubic root of 650879040 is about 866.6294211476.

The spelling of 650879040 in words is "six hundred fifty million, eight hundred seventy-nine thousand, forty".