40736402000 has 320 divisors, whose sum is σ = 115449325056. Its totient is φ = 13614796800.

The previous prime is 40736401991. The next prime is 40736402033. The reversal of 40736402000 is 20463704.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128505842 + ... + 128506158.

Almost surely, 2^40736402000 is an apocalyptic number.

40736402000 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 40736402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57724662528).

40736402000 is an abundant number, since it is smaller than the sum of its proper divisors (74712923056).

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

40736402000 is a wasteful number, since it uses less digits than its factorization.

40736402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 40736402000 its reverse (20463704), we get a palindrome (40756865704).

The spelling of 40736402000 in words is "forty billion, seven hundred thirty-six million, four hundred two thousand".