40396298400 has 1152 divisors, whose sum is σ = 163669524480. Its totient is φ = 9580032000.

The previous prime is 40396298381. The next prime is 40396298407. The reversal of 40396298400 is 489269304.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (40396298407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 662234370 + ... + 662234430.

It is an arithmetic number, because the mean of its divisors is an integer number (142074240).

Almost surely, 2^40396298400 is an apocalyptic number.

40396298400 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 40396298400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81834762240).

40396298400 is an abundant number, since it is smaller than the sum of its proper divisors (123273226080).

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

40396298400 is a wasteful number, since it uses less digits than its factorization.

40396298400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 40396298400 in words is "forty billion, three hundred ninety-six million, two hundred ninety-eight thousand, four hundred".