1401542232 has 32 divisors (see below), whose sum is σ = 3509962800. Its totient is φ = 466366464.

The previous prime is 1401542173. The next prime is 1401542279. The reversal of 1401542232 is 2322451041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36757 + ... + 64452.

Almost surely, 2^1401542232 is an apocalyptic number.

1401542232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401542232 is an abundant number, since it is smaller than the sum of its proper divisors (2108420568).

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

1401542232 is a wasteful number, since it uses less digits than its factorization.

1401542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101795 (or 101791 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1401542232 is about 37437.1771371721. The cubic root of 1401542232 is about 1119.0995717845.

Adding to 1401542232 its reverse (2322451041), we get a palindrome (3723993273).

The spelling of 1401542232 in words is "one billion, four hundred one million, five hundred forty-two thousand, two hundred thirty-two".