1540786368 has 112 divisors (see below), whose sum is σ = 4482023040. Its totient is φ = 463257600.

The previous prime is 1540786319. The next prime is 1540786393. The reversal of 1540786368 is 8636870451.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273888 + ... + 279456.

Almost surely, 2^1540786368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1540786368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241011520).

1540786368 is an abundant number, since it is smaller than the sum of its proper divisors (2941236672).

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

1540786368 is a wasteful number, since it uses less digits than its factorization.

1540786368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726 (or 5716 counting only the distinct ones).

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

The square root of 1540786368 is about 39252.8517180599. The cubic root of 1540786368 is about 1154.9968748627.

The spelling of 1540786368 in words is "one billion, five hundred forty million, seven hundred eighty-six thousand, three hundred sixty-eight".