1401550432 has 24 divisors (see below), whose sum is σ = 2762764200. Its totient is φ = 699896064.

The previous prime is 1401550427. The next prime is 1401550439. The reversal of 1401550432 is 2340551041.

It is a happy number.

It is a super-2 number, since 2×1401550432² = 3928687226878773248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401550397 and 1401550406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401550439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 52957.

It is an arithmetic number, because the mean of its divisors is an integer number (115115175).

Almost surely, 2^1401550432 is an apocalyptic number.

It is an amenable number.

1401550432 is a deficient number, since it is larger than the sum of its proper divisors (1361213768).

1401550432 is an equidigital number, since it uses as much as digits as its factorization.

1401550432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54958 (or 54950 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1401550432 is about 37437.2866538161. The cubic root of 1401550432 is about 1119.1017542847.

The spelling of 1401550432 in words is "one billion, four hundred one million, five hundred fifty thousand, four hundred thirty-two".