149680740540 has 96 divisors (see below), whose sum is σ = 433530800640. Its totient is φ = 38556608256.

The previous prime is 149680740487. The next prime is 149680740571. The reversal of 149680740540 is 45047086941.

It is a self number, because there is not a number n which added to its sum of digits gives 149680740540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66049 + ... + 551111.

It is an arithmetic number, because the mean of its divisors is an integer number (4515945840).

Almost surely, 2^149680740540 is an apocalyptic number.

149680740540 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 149680740540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216765400320).

149680740540 is an abundant number, since it is smaller than the sum of its proper divisors (283850060100).

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

149680740540 is a wasteful number, since it uses less digits than its factorization.

149680740540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485251 (or 485249 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 149680740540 in words is "one hundred forty-nine billion, six hundred eighty million, seven hundred forty thousand, five hundred forty".