1401661484 has 6 divisors (see below), whose sum is σ = 2452907604. Its totient is φ = 700830740.

The previous prime is 1401661463. The next prime is 1401661489. The reversal of 1401661484 is 4841661041.

It is not an unprimeable number, because it can be changed into a prime (1401661489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175207682 + ... + 175207689.

It is an arithmetic number, because the mean of its divisors is an integer number (408817934).

Almost surely, 2^1401661484 is an apocalyptic number.

It is an amenable number.

1401661484 is a deficient number, since it is larger than the sum of its proper divisors (1051246120).

1401661484 is a wasteful number, since it uses less digits than its factorization.

1401661484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350415375 (or 350415373 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1401661484 is about 37438.7697981651. The cubic root of 1401661484 is about 1119.1313108869.

The spelling of 1401661484 in words is "one billion, four hundred one million, six hundred sixty-one thousand, four hundred eighty-four".