40294779700 has 288 divisors, whose sum is σ = 106385801984. Its totient is φ = 12959170560.

The previous prime is 40294779697. The next prime is 40294779709. The reversal of 40294779700 is 797749204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294779709) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108028714 + ... + 108029086.

Almost surely, 2^40294779700 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 40294779700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53192900992).

40294779700 is an abundant number, since it is smaller than the sum of its proper divisors (66091022284).

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

40294779700 is a wasteful number, since it uses less digits than its factorization.

40294779700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 40294779700 in words is "forty billion, two hundred ninety-four million, seven hundred seventy-nine thousand, seven hundred".