1540364463 has 12 divisors (see below), whose sum is σ = 2427241128. Its totient is φ = 933554160.

The previous prime is 1540364461. The next prime is 1540364479. The reversal of 1540364463 is 3644630451.

1540364463 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 3 + 644 + 6 + 3 = 666.

1540364463 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1540364463 - 2¹ = 1540364461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540364461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7779520 + ... + 7779717.

It is an arithmetic number, because the mean of its divisors is an integer number (202270094).

Almost surely, 2^1540364463 is an apocalyptic number.

1540364463 is a deficient number, since it is larger than the sum of its proper divisors (886876665).

1540364463 is a wasteful number, since it uses less digits than its factorization.

1540364463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15559254 (or 15559251 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1540364463 is about 39247.4771545892. The cubic root of 1540364463 is about 1154.8914431058.

The spelling of 1540364463 in words is "one billion, five hundred forty million, three hundred sixty-four thousand, four hundred sixty-three".