3945350790 has 48 divisors (see below), whose sum is σ = 10295827776. Its totient is φ = 1048204800.

The previous prime is 3945350767. The next prime is 3945350807. The reversal of 3945350790 is 970535493.

3945350790 is a `hidden beast` number, since 3 + 9 + 4 + 53 + 507 + 90 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

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, 56491 + ... + 105270.

It is an arithmetic number, because the mean of its divisors is an integer number (214496412).

Almost surely, 2^3945350790 is an apocalyptic number.

3945350790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3945350790 is an abundant number, since it is smaller than the sum of its proper divisors (6350476986).

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

3945350790 is a wasteful number, since it uses less digits than its factorization.

3945350790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162045 (or 162042 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 3945350790 is about 62812.0274310581. The cubic root of 3945350790 is about 1580.1386928938.

The spelling of 3945350790 in words is "three billion, nine hundred forty-five million, three hundred fifty thousand, seven hundred ninety".