1952204640 has 96 divisors (see below), whose sum is σ = 6236165376. Its totient is φ = 513246720.

The previous prime is 1952204623. The next prime is 1952204651. The reversal of 1952204640 is 464022591.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1952204640² = 7622205912875059200, which contains 22 as substring.

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, 5439 + ... + 62721.

It is an arithmetic number, because the mean of its divisors is an integer number (64960056).

Almost surely, 2^1952204640 is an apocalyptic number.

1952204640 is a gapful number since it is divisible by the number (10) 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 1952204640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118082688).

1952204640 is an abundant number, since it is smaller than the sum of its proper divisors (4283960736).

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

1952204640 is a wasteful number, since it uses less digits than its factorization.

1952204640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57372 (or 57364 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1952204640 is about 44183.7599124384. The cubic root of 1952204640 is about 1249.8036256847.

The spelling of 1952204640 in words is "one billion, nine hundred fifty-two million, two hundred four thousand, six hundred forty".