154728295640 has 32 divisors (see below), whose sum is σ = 348613681680. Its totient is φ = 61806870912.

The previous prime is 154728295637. The next prime is 154728295723. The reversal of 154728295640 is 46592827451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609294 + ... + 2667933.

Almost surely, 2^154728295640 is an apocalyptic number.

154728295640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154728295640 is an abundant number, since it is smaller than the sum of its proper divisors (193885386040).

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

154728295640 is a wasteful number, since it uses less digits than its factorization.

154728295640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277971 (or 5277967 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 154728295640 in words is "one hundred fifty-four billion, seven hundred twenty-eight million, two hundred ninety-five thousand, six hundred forty".