1401525066 has 32 divisors (see below), whose sum is σ = 2903459328. Its totient is φ = 450544320.

The previous prime is 1401525053. The next prime is 1401525077. The reversal of 1401525066 is 6605251041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41640 + ... + 67356.

It is an arithmetic number, because the mean of its divisors is an integer number (90733104).

Almost surely, 2^1401525066 is an apocalyptic number.

1401525066 is an abundant number, since it is smaller than the sum of its proper divisors (1501934262).

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

1401525066 is a wasteful number, since it uses less digits than its factorization.

1401525066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26046.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1401525066 is about 37436.9478723894. The cubic root of 1401525066 is about 1119.0950028791.

The spelling of 1401525066 in words is "one billion, four hundred one million, five hundred twenty-five thousand, sixty-six".