40000246720 has 56 divisors (see below), whose sum is σ = 108857820384. Its totient is φ = 13714369536.

The previous prime is 40000246681. The next prime is 40000246739. The reversal of 40000246720 is 2764200004.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8926387 + ... + 8930866.

Almost surely, 2^40000246720 is an apocalyptic number.

40000246720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000246720 is an abundant number, since it is smaller than the sum of its proper divisors (68857573664).

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

40000246720 is a wasteful number, since it uses less digits than its factorization.

40000246720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857277 (or 17857267 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 40000246720 its reverse (2764200004), we get a palindrome (42764446724).

The spelling of 40000246720 in words is "forty billion, two hundred forty-six thousand, seven hundred twenty".