40154333464 has 32 divisors (see below), whose sum is σ = 86176847520. Its totient is φ = 17182630656.

The previous prime is 40154333447. The next prime is 40154333473. The reversal of 40154333464 is 46433345104.

It is a super-2 number, since 2×40154333464² (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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512469 + ... + 585604.

It is an arithmetic number, because the mean of its divisors is an integer number (2693026485).

Almost surely, 2^40154333464 is an apocalyptic number.

It is an amenable number.

40154333464 is an abundant number, since it is smaller than the sum of its proper divisors (46022514056).

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

40154333464 is a wasteful number, since it uses less digits than its factorization.

40154333464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098739 (or 1098735 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 40154333464 its reverse (46433345104), we get a palindrome (86587678568).

The spelling of 40154333464 in words is "forty billion, one hundred fifty-four million, three hundred thirty-three thousand, four hundred sixty-four".