40451004998 has 32 divisors (see below), whose sum is σ = 63107100000. Its totient is φ = 19431927040.

The previous prime is 40451004991. The next prime is 40451005009. The reversal of 40451004998 is 89940015404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451004991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148128 + ... + 2166876.

It is an arithmetic number, because the mean of its divisors is an integer number (1972096875).

Almost surely, 2^40451004998 is an apocalyptic number.

40451004998 is a deficient number, since it is larger than the sum of its proper divisors (22656095002).

40451004998 is a wasteful number, since it uses less digits than its factorization.

40451004998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 40451004998 in words is "forty billion, four hundred fifty-one million, four thousand, nine hundred ninety-eight".