40986279936 has 340 divisors, whose sum is σ = 140071907712. Its totient is φ = 11699748864.

The previous prime is 40986279881. The next prime is 40986279937. The reversal of 40986279936 is 63997268904.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40986279937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37158361 + ... + 37159463.

Almost surely, 2^40986279936 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 40986279936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70035953856).

40986279936 is an abundant number, since it is smaller than the sum of its proper divisors (99085627776).

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

40986279936 is an frugal number, since it uses more digits than its factorization.

40986279936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 40986279936 in words is "forty billion, nine hundred eighty-six million, two hundred seventy-nine thousand, nine hundred thirty-six".