28242023942 has 64 divisors (see below), whose sum is σ = 49572746496. Its totient is φ = 11924828160.

The previous prime is 28242023923. The next prime is 28242023951. The reversal of 28242023942 is 24932024282.

It is a super-2 number, since 2×28242023942² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28242023896 and 28242023905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16940993 + ... + 16942659.

It is an arithmetic number, because the mean of its divisors is an integer number (774574164).

Almost surely, 2^28242023942 is an apocalyptic number.

28242023942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28242023942 is a deficient number, since it is larger than the sum of its proper divisors (21330722554).

28242023942 is a wasteful number, since it uses less digits than its factorization.

28242023942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 28242023942 in words is "twenty-eight billion, two hundred forty-two million, twenty-three thousand, nine hundred forty-two".