540007461905 has 16 divisors (see below), whose sum is σ = 663863634000. Its totient is φ = 421437757440.

The previous prime is 540007461883. The next prime is 540007461911. The reversal of 540007461905 is 509164700045.

It is a Cunningham number, because it is equal to 734852²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 26020270864 + 513987191041 = 161308^2 + 716929^2 .

It is not a de Polignac number, because 540007461905 - 2¹⁴ = 540007445521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 2870891 + ... + 3053199.

It is an arithmetic number, because the mean of its divisors is an integer number (41491477125).

Almost surely, 2^540007461905 is an apocalyptic number.

It is an amenable number.

540007461905 is a deficient number, since it is larger than the sum of its proper divisors (123856172095).

540007461905 is a wasteful number, since it uses less digits than its factorization.

540007461905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196804.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 540007461905 in words is "five hundred forty billion, seven million, four hundred sixty-one thousand, nine hundred five".