40154796808 has 64 divisors (see below), whose sum is σ = 88196613120. Its totient is φ = 16779571200.

The previous prime is 40154796761. The next prime is 40154796811. The reversal of 40154796808 is 80869745104.

It is a super-2 number, since 2×40154796808² (a number of 22 digits) contains 22 as substring.

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, 4916248 + ... + 4924408.

It is an arithmetic number, because the mean of its divisors is an integer number (1378072080).

Almost surely, 2^40154796808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40154796808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44098306560).

40154796808 is an abundant number, since it is smaller than the sum of its proper divisors (48041816312).

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

40154796808 is a wasteful number, since it uses less digits than its factorization.

40154796808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 40154796808 in words is "forty billion, one hundred fifty-four million, seven hundred ninety-six thousand, eight hundred eight".