40345335654 has 32 divisors (see below), whose sum is σ = 86907256800. Its totient is φ = 12412576512.

The previous prime is 40345335647. The next prime is 40345335683. The reversal of 40345335654 is 45653354304.

It is a super-2 number, since 2×40345335654² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855072 + ... + 901020.

It is an arithmetic number, because the mean of its divisors is an integer number (2715851775).

Almost surely, 2^40345335654 is an apocalyptic number.

40345335654 is an abundant number, since it is smaller than the sum of its proper divisors (46561921146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40345335654 is a wasteful number, since it uses less digits than its factorization.

40345335654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 40345335654 its reverse (45653354304), we get a palindrome (85998689958).

The spelling of 40345335654 in words is "forty billion, three hundred forty-five million, three hundred thirty-five thousand, six hundred fifty-four".