40404441535 has 16 divisors (see below), whose sum is σ = 51416824896. Its totient is φ = 30375106048.

The previous prime is 40404441499. The next prime is 40404441541. The reversal of 40404441535 is 53514440404.

It is not a de Polignac number, because 40404441535 - 2²¹ = 40402344383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40404441535.

It is a congruent number.

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, 312352 + ... + 422341.

It is an arithmetic number, because the mean of its divisors is an integer number (3213551556).

Almost surely, 2^40404441535 is an apocalyptic number.

40404441535 is a deficient number, since it is larger than the sum of its proper divisors (11012383361).

40404441535 is a wasteful number, since it uses less digits than its factorization.

40404441535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735362.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40404441535 its reverse (53514440404), we get a palindrome (93918881939).

The spelling of 40404441535 in words is "forty billion, four hundred four million, four hundred forty-one thousand, five hundred thirty-five".