40387271485 has 32 divisors (see below), whose sum is σ = 53309767680. Its totient is φ = 29129486400.

The previous prime is 40387271461. The next prime is 40387271497. The reversal of 40387271485 is 58417278304.

It is not a de Polignac number, because 40387271485 - 2²³ = 40378882877 is a prime.

It is a super-2 number, since 2×40387271485² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3765280 + ... + 3775990.

It is an arithmetic number, because the mean of its divisors is an integer number (1665930240).

Almost surely, 2^40387271485 is an apocalyptic number.

It is an amenable number.

40387271485 is a deficient number, since it is larger than the sum of its proper divisors (12922496195).

40387271485 is a wasteful number, since it uses less digits than its factorization.

40387271485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 40387271485 in words is "forty billion, three hundred eighty-seven million, two hundred seventy-one thousand, four hundred eighty-five".