1652398040 has 16 divisors (see below), whose sum is σ = 3717895680. Its totient is φ = 660959200.

The previous prime is 1652397959. The next prime is 1652398067. The reversal of 1652398040 is 408932561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1652397985 and 1652398003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20654936 + ... + 20655015.

It is an arithmetic number, because the mean of its divisors is an integer number (232368480).

Almost surely, 2^1652398040 is an apocalyptic number.

1652398040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652398040 is an abundant number, since it is smaller than the sum of its proper divisors (2065497640).

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

1652398040 is a wasteful number, since it uses less digits than its factorization.

1652398040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41309962 (or 41309958 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1652398040 is about 40649.6991378780. The cubic root of 1652398040 is about 1182.2379343179.

The spelling of 1652398040 in words is "one billion, six hundred fifty-two million, three hundred ninety-eight thousand, forty".