28274151507330 has 32 divisors (see below), whose sum is σ = 67858105307328. Its totient is φ = 7539757992000.

The previous prime is 28274151507319. The next prime is 28274151507341. The reversal of 28274151507330 is 3370515147282.

It is an interprime number because it is at equal distance from previous prime (28274151507319) and next prime (28274151507341).

It is a super-2 number, since 2×28274151507330² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28274151507330.

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, 24137400 + ... + 25281660.

It is an arithmetic number, because the mean of its divisors is an integer number (2120565790854).

Almost surely, 2^{28274151507330} is an apocalyptic number.

28274151507330 is an abundant number, since it is smaller than the sum of its proper divisors (39583953799998).

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

28274151507330 is a wasteful number, since it uses less digits than its factorization.

28274151507330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967922.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 28274151507330 in words is "twenty-eight trillion, two hundred seventy-four billion, one hundred fifty-one million, five hundred seven thousand, three hundred thirty".