3898142392290 has 32 divisors (see below), whose sum is σ = 9438334154496. Its totient is φ = 1030305480960.

The previous prime is 3898142392279. The next prime is 3898142392303. The reversal of 3898142392290 is 922932418983.

It is a super-2 number, since 2×3898142392290² (a number of 26 digits) contains 22 as substring.

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, 574943866 + ... + 574950645.

It is an arithmetic number, because the mean of its divisors is an integer number (294947942328).

Almost surely, 2^{3898142392290} is an apocalyptic number.

3898142392290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3898142392290 is an abundant number, since it is smaller than the sum of its proper divisors (5540191762206).

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

3898142392290 is a wasteful number, since it uses less digits than its factorization.

3898142392290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149894634.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 3898142392290 in words is "three trillion, eight hundred ninety-eight billion, one hundred forty-two million, three hundred ninety-two thousand, two hundred ninety".