40005434054 has 64 divisors (see below), whose sum is σ = 66815280000. Its totient is φ = 17898101760.

The previous prime is 40005434017. The next prime is 40005434069. The reversal of 40005434054 is 45043450004.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 8146952 + ... + 8151860.

It is an arithmetic number, because the mean of its divisors is an integer number (1043988750).

Almost surely, 2^40005434054 is an apocalyptic number.

40005434054 is a deficient number, since it is larger than the sum of its proper divisors (26809845946).

40005434054 is a wasteful number, since it uses less digits than its factorization.

40005434054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 40005434054 its reverse (45043450004), we get a palindrome (85048884058).

The spelling of 40005434054 in words is "forty billion, five million, four hundred thirty-four thousand, fifty-four".