1802039652 has 72 divisors (see below), whose sum is σ = 5223073856. Its totient is φ = 513169344.

The previous prime is 1802039647. The next prime is 1802039653. The reversal of 1802039652 is 2569302081.

It is a super-2 number, since 2×1802039652² = 6494693814760562208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1802039653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65718 + ... + 89010.

Almost surely, 2^1802039652 is an apocalyptic number.

1802039652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1802039652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611536928).

1802039652 is an abundant number, since it is smaller than the sum of its proper divisors (3421034204).

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

1802039652 is a wasteful number, since it uses less digits than its factorization.

1802039652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23617 (or 23612 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1802039652 is about 42450.4375949177. The cubic root of 1802039652 is about 1216.8996914355.

The spelling of 1802039652 in words is "one billion, eight hundred two million, thirty-nine thousand, six hundred fifty-two".