28551654740 has 48 divisors (see below), whose sum is σ = 68617702272. Its totient is φ = 9775748736.

The previous prime is 28551654731. The next prime is 28551654757. The reversal of 28551654740 is 4745615582.

It is a super-3 number, since 3×28551654740³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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, 36494 + ... + 241733.

It is an arithmetic number, because the mean of its divisors is an integer number (1429535464).

Almost surely, 2^28551654740 is an apocalyptic number.

28551654740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28551654740 is an abundant number, since it is smaller than the sum of its proper divisors (40066047532).

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

28551654740 is a wasteful number, since it uses less digits than its factorization.

28551654740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278976 (or 278974 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 28551654740 in words is "twenty-eight billion, five hundred fifty-one million, six hundred fifty-four thousand, seven hundred forty".