1640124060 has 48 divisors (see below), whose sum is σ = 4699153536. Its totient is φ = 427194432.

The previous prime is 1640124053. The next prime is 1640124071. The reversal of 1640124060 is 604210461.

It is a self number, because there is not a number n which added to its sum of digits gives 1640124060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315274 + ... + 320433.

It is an arithmetic number, because the mean of its divisors is an integer number (97899032).

Almost surely, 2^1640124060 is an apocalyptic number.

1640124060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1640124060 is an abundant number, since it is smaller than the sum of its proper divisors (3059029476).

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

1640124060 is a wasteful number, since it uses less digits than its factorization.

1640124060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635762 (or 635760 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1640124060 is about 40498.4451553390. The cubic root of 1640124060 is about 1179.3034431582.

The spelling of 1640124060 in words is "one billion, six hundred forty million, one hundred twenty-four thousand, sixty".