148695933840 has 80 divisors (see below), whose sum is σ = 461053431168. Its totient is φ = 39643987968.

The previous prime is 148695933809. The next prime is 148695933901. The reversal of 148695933840 is 48339596841.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×148695933840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1136277 + ... + 1260363.

Almost surely, 2^148695933840 is an apocalyptic number.

148695933840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148695933840 is an abundant number, since it is smaller than the sum of its proper divisors (312357497328).

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

148695933840 is a wasteful number, since it uses less digits than its factorization.

148695933840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129096 (or 129090 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 148695933840 in words is "one hundred forty-eight billion, six hundred ninety-five million, nine hundred thirty-three thousand, eight hundred forty".