1652131240 has 32 divisors (see below), whose sum is σ = 3727457280. Its totient is φ = 659045952.

The previous prime is 1652131219. The next prime is 1652131277. The reversal of 1652131240 is 421312561.

It is a happy 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, 41592 + ... + 70951.

It is an arithmetic number, because the mean of its divisors is an integer number (116483040).

Almost surely, 2^1652131240 is an apocalyptic number.

1652131240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652131240 is an abundant number, since it is smaller than the sum of its proper divisors (2075326040).

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

1652131240 is a wasteful number, since it uses less digits than its factorization.

1652131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112921 (or 112917 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1652131240 is about 40646.4173082942. The cubic root of 1652131240 is about 1182.1743019381.

The spelling of 1652131240 in words is "one billion, six hundred fifty-two million, one hundred thirty-one thousand, two hundred forty".