1992425952 has 96 divisors (see below), whose sum is σ = 5729076864. Its totient is φ = 601280000.

The previous prime is 1992425951. The next prime is 1992425957. The reversal of 1992425952 is 2595242991.

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

It is a super-2 number, since 2×1992425952² = 7939522348406212608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992425951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261298 + ... + 268814.

It is an arithmetic number, because the mean of its divisors is an integer number (59677884).

Almost surely, 2^1992425952 is an apocalyptic number.

1992425952 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 1992425952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864538432).

1992425952 is an abundant number, since it is smaller than the sum of its proper divisors (3736650912).

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

1992425952 is a wasteful number, since it uses less digits than its factorization.

1992425952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792 (or 7784 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 1992425952 is about 44636.5987951591. The cubic root of 1992425952 is about 1258.3285875509.

The spelling of 1992425952 in words is "one billion, nine hundred ninety-two million, four hundred twenty-five thousand, nine hundred fifty-two".