40016476800 has 864 divisors, whose sum is σ = 158647373820. Its totient is φ = 9563996160.

The previous prime is 40016476781. The next prime is 40016476807. The reversal of 40016476800 is 867461004.

40016476800 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 647 + 6 + 8 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 29011627584 + 11004849216 = 170328^2 + 104904^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40016476807) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 851414377 + ... + 851414423.

Almost surely, 2^40016476800 is an apocalyptic number.

40016476800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40016476800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79323686910).

40016476800 is an abundant number, since it is smaller than the sum of its proper divisors (118630897020).

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

40016476800 is a wasteful number, since it uses less digits than its factorization.

40016476800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 40016476800 in words is "forty billion, sixteen million, four hundred seventy-six thousand, eight hundred".