1540434545254 has 16 divisors (see below), whose sum is σ = 2520825029136. Its totient is φ = 700165866400.

The previous prime is 1540434545231. The next prime is 1540434545297. The reversal of 1540434545254 is 4525454340451.

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, 1081477 + ... + 2061664.

It is an arithmetic number, because the mean of its divisors is an integer number (157551564321).

Almost surely, 2^{1540434545254} is an apocalyptic number.

1540434545254 is a deficient number, since it is larger than the sum of its proper divisors (980390483882).

1540434545254 is a wasteful number, since it uses less digits than its factorization.

1540434545254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165431.

The product of its (nonzero) digits is 3840000, while the sum is 46.

The spelling of 1540434545254 in words is "one trillion, five hundred forty billion, four hundred thirty-four million, five hundred forty-five thousand, two hundred fifty-four".