28340570152620 has 144 divisors (see below), whose sum is σ = 93791528812800. Its totient is φ = 6869708227200.

The previous prime is 28340570152597. The next prime is 28340570152627. The reversal of 28340570152620 is 2625107504382.

28340570152620 is a `hidden beast` number, since 2 + 8 + 3 + 4 + 0 + 5 + 7 + 0 + 15 + 2 + 620 = 666.

It is a super-2 number, since 2×28340570152620² (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (28340570152627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17914531 + ... + 19432229.

It is an arithmetic number, because the mean of its divisors is an integer number (651330061200).

Almost surely, 2^{28340570152620} is an apocalyptic number.

28340570152620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28340570152620 is an abundant number, since it is smaller than the sum of its proper divisors (65450958660180).

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

28340570152620 is a wasteful number, since it uses less digits than its factorization.

28340570152620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527156 (or 1527151 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 28340570152620 in words is "twenty-eight trillion, three hundred forty billion, five hundred seventy million, one hundred fifty-two thousand, six hundred twenty".