1401575532 has 48 divisors (see below), whose sum is σ = 3817067520. Its totient is φ = 391928832.

The previous prime is 1401575473. The next prime is 1401575561. The reversal of 1401575532 is 2355751041.

It is a junction number, because it is equal to n+sod(n) for n = 1401575493 and 1401575502.

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, 173557 + ... + 181452.

It is an arithmetic number, because the mean of its divisors is an integer number (79522240).

Almost surely, 2^1401575532 is an apocalyptic number.

1401575532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401575532 is an abundant number, since it is smaller than the sum of its proper divisors (2415491988).

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

1401575532 is a wasteful number, since it uses less digits than its factorization.

1401575532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355070 (or 355068 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1401575532 is about 37437.6218796013. The cubic root of 1401575532 is about 1119.1084348117.

The spelling of 1401575532 in words is "one billion, four hundred one million, five hundred seventy-five thousand, five hundred thirty-two".