149240794680 has 128 divisors (see below), whose sum is σ = 498856320000. Its totient is φ = 39686585472.

The previous prime is 149240794561. The next prime is 149240794687. The reversal of 149240794680 is 86497042941.

149240794680 is a `hidden beast` number, since 1 + 4 + 92 + 407 + 94 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149240794687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195261 + ... + 580179.

It is an arithmetic number, because the mean of its divisors is an integer number (3897315000).

Almost surely, 2^149240794680 is an apocalyptic number.

149240794680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149240794680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249428160000).

149240794680 is an abundant number, since it is smaller than the sum of its proper divisors (349615525320).

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

149240794680 is a wasteful number, since it uses less digits than its factorization.

149240794680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385298 (or 385288 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 149240794680 in words is "one hundred forty-nine billion, two hundred forty million, seven hundred ninety-four thousand, six hundred eighty".