1540406315404 has 24 divisors (see below), whose sum is σ = 2957774411088. Its totient is φ = 696137375040.

The previous prime is 1540406315363. The next prime is 1540406315407. The reversal of 1540406315404 is 4045136040451.

It is a super-4 number, since 4×1540406315404⁴ (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1540406315407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101175147 + ... + 101190370.

It is an arithmetic number, because the mean of its divisors is an integer number (123240600462).

Almost surely, 2^{1540406315404} is an apocalyptic number.

It is an amenable number.

1540406315404 is a deficient number, since it is larger than the sum of its proper divisors (1417368095684).

1540406315404 is a wasteful number, since it uses less digits than its factorization.

1540406315404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202365705 (or 202365703 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1540406315404 in words is "one trillion, five hundred forty billion, four hundred six million, three hundred fifteen thousand, four hundred four".