3525190920 has 96 divisors (see below), whose sum is σ = 11481350400. Its totient is φ = 938042496.

The previous prime is 3525190871. The next prime is 3525190937. The reversal of 3525190920 is 290915253.

It is a happy number.

3525190920 is a `hidden beast` number, since 3 + 52 + 519 + 0 + 92 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162219 + ... + 182661.

It is an arithmetic number, because the mean of its divisors is an integer number (119597400).

Almost surely, 2^3525190920 is an apocalyptic number.

3525190920 is a gapful number since it is divisible by the number (30) 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 3525190920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5740675200).

3525190920 is an abundant number, since it is smaller than the sum of its proper divisors (7956159480).

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

3525190920 is a wasteful number, since it uses less digits than its factorization.

3525190920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20939 (or 20932 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 3525190920 is about 59373.3182498671. The cubic root of 3525190920 is about 1521.9283754426.

The spelling of 3525190920 in words is "three billion, five hundred twenty-five million, one hundred ninety thousand, nine hundred twenty".