146400765040 has 20 divisors (see below), whose sum is σ = 340381778904. Its totient is φ = 58560305984.

The previous prime is 146400765031. The next prime is 146400765059. The reversal of 146400765040 is 40567004641.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 915004702 + ... + 915004861.

Almost surely, 2^146400765040 is an apocalyptic number.

146400765040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146400765040 is an abundant number, since it is smaller than the sum of its proper divisors (193981013864).

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

146400765040 is a wasteful number, since it uses less digits than its factorization.

146400765040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830009576 (or 1830009570 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 146400765040 its reverse (40567004641), we get a palindrome (186967769681).

The spelling of 146400765040 in words is "one hundred forty-six billion, four hundred million, seven hundred sixty-five thousand, forty".