149740232420 has 24 divisors (see below), whose sum is σ = 318434928000. Its totient is φ = 59137913952.

The previous prime is 149740232399. The next prime is 149740232423. The reversal of 149740232420 is 24232047941.

It is not an unprimeable number, because it can be changed into a prime (149740232423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47384570 + ... + 47387729.

It is an arithmetic number, because the mean of its divisors is an integer number (13268122000).

Almost surely, 2^149740232420 is an apocalyptic number.

149740232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149740232420 is an abundant number, since it is smaller than the sum of its proper divisors (168694695580).

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

149740232420 is a wasteful number, since it uses less digits than its factorization.

149740232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94772387 (or 94772385 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 149740232420 in words is "one hundred forty-nine billion, seven hundred forty million, two hundred thirty-two thousand, four hundred twenty".