40898649600 has 540 divisors, whose sum is σ = 152298764904. Its totient is φ = 10883911680.

The previous prime is 40898649581. The next prime is 40898649601. The reversal of 40898649600 is 694689804.

40898649600 is a `hidden beast` number, since 408 + 98 + 64 + 96 + 0 + 0 = 666.

40898649600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898649601) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 83980557 + ... + 83981043.

Almost surely, 2^40898649600 is an apocalyptic number.

40898649600 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 40898649600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76149382452).

40898649600 is an abundant number, since it is smaller than the sum of its proper divisors (111400115304).

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

40898649600 is an frugal number, since it uses more digits than its factorization.

40898649600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 40898649600 in words is "forty billion, eight hundred ninety-eight million, six hundred forty-nine thousand, six hundred".