151017478320240 has 240 divisors, whose sum is σ = 581928710178816. Its totient is φ = 34380757440000.

The previous prime is 151017478320193. The next prime is 151017478320281. The reversal of 151017478320240 is 42023874710151.

It is a happy number.

151017478320240 is a `hidden beast` number, since 1 + 5 + 1 + 0 + 17 + 4 + 78 + 320 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58423776 + ... + 60953855.

Almost surely, 2^{151017478320240} is an apocalyptic number.

151017478320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151017478320240 is an abundant number, since it is smaller than the sum of its proper divisors (430911231858576).

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

151017478320240 is a wasteful number, since it uses less digits than its factorization.

151017478320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119377908 (or 119377899 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 151017478320240 in words is "one hundred fifty-one trillion, seventeen billion, four hundred seventy-eight million, three hundred twenty thousand, two hundred forty".