1401377640248 has 16 divisors (see below), whose sum is σ = 2663577365280. Its totient is φ = 691090342848.

The previous prime is 1401377640217. The next prime is 1401377640251. The reversal of 1401377640248 is 8420467731041.

It is a congruent number.

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, 1199809040 + ... + 1199810207.

It is an arithmetic number, because the mean of its divisors is an integer number (166473585330).

Almost surely, 2^{1401377640248} is an apocalyptic number.

It is an amenable number.

1401377640248 is a deficient number, since it is larger than the sum of its proper divisors (1262199725032).

1401377640248 is a wasteful number, since it uses less digits than its factorization.

1401377640248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399619326 (or 2399619322 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 1401377640248 in words is "one trillion, four hundred one billion, three hundred seventy-seven million, six hundred forty thousand, two hundred forty-eight".