4001388120410 has 8 divisors (see below), whose sum is σ = 7202498616756. Its totient is φ = 1600555248160.

The previous prime is 4001388120349. The next prime is 4001388120437. The reversal of 4001388120410 is 140218831004.

It is a happy number.

It is a Cunningham number, because it is equal to 2000347²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 4001388120409 + 1 = 2000347^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4001388120410² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200069406011 + ... + 200069406030.

Almost surely, 2^{4001388120410} is an apocalyptic number.

4001388120410 is a deficient number, since it is larger than the sum of its proper divisors (3201110496346).

4001388120410 is a wasteful number, since it uses less digits than its factorization.

4001388120410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400138812048.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 4001388120410 in words is "four trillion, one billion, three hundred eighty-eight million, one hundred twenty thousand, four hundred ten".