28940148274 has 8 divisors (see below), whose sum is σ = 43652738160. Its totient is φ = 14389235556.

The previous prime is 28940148257. The next prime is 28940148283. The reversal of 28940148274 is 47284104982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28940148274² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40418844 + ... + 40419559.

It is an arithmetic number, because the mean of its divisors is an integer number (5456592270).

Almost surely, 2^28940148274 is an apocalyptic number.

28940148274 is a deficient number, since it is larger than the sum of its proper divisors (14712589886).

28940148274 is a wasteful number, since it uses less digits than its factorization.

28940148274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80838584.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 28940148274 in words is "twenty-eight billion, nine hundred forty million, one hundred forty-eight thousand, two hundred seventy-four".