3975242490 has 48 divisors (see below), whose sum is σ = 10785011328. Its totient is φ = 1013974368.

The previous prime is 3975242471. The next prime is 3975242503. The reversal of 3975242490 is 942425793.

3975242490 is a `hidden beast` number, since 3 + 97 + 52 + 424 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 958134 + ... + 962273.

It is an arithmetic number, because the mean of its divisors is an integer number (224687736).

Almost surely, 2^3975242490 is an apocalyptic number.

3975242490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3975242490 is an abundant number, since it is smaller than the sum of its proper divisors (6809768838).

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

3975242490 is a wasteful number, since it uses less digits than its factorization.

3975242490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920443 (or 1920440 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 3975242490 is about 63049.5241060549. The cubic root of 3975242490 is about 1584.1192637665.

The spelling of 3975242490 in words is "three billion, nine hundred seventy-five million, two hundred forty-two thousand, four hundred ninety".