146228672040 has 64 divisors (see below), whose sum is σ = 478566567360. Its totient is φ = 35449374720.

The previous prime is 146228672039. The next prime is 146228672053. The reversal of 146228672040 is 40276822641.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 146228671983 and 146228672001.

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, 55388329 + ... + 55390968.

It is an arithmetic number, because the mean of its divisors is an integer number (7477602615).

Almost surely, 2^146228672040 is an apocalyptic number.

146228672040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146228672040 is an abundant number, since it is smaller than the sum of its proper divisors (332337895320).

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

146228672040 is a wasteful number, since it uses less digits than its factorization.

146228672040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110779322 (or 110779318 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 146228672040 in words is "one hundred forty-six billion, two hundred twenty-eight million, six hundred seventy-two thousand, forty".