1409690272 has 12 divisors (see below), whose sum is σ = 2775327786. Its totient is φ = 704845120.

The previous prime is 1409690267. The next prime is 1409690279. The reversal of 1409690272 is 2720969041.

It can be written as a sum of positive squares in only one way, i.e., 1036582416 + 373107856 = 32196^2 + 19316^2 .

It is not an unprimeable number, because it can be changed into a prime (1409690279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22026379 + ... + 22026442.

Almost surely, 2^1409690272 is an apocalyptic number.

It is an amenable number.

1409690272 is a deficient number, since it is larger than the sum of its proper divisors (1365637514).

1409690272 is an equidigital number, since it uses as much as digits as its factorization.

1409690272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44052831 (or 44052823 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1409690272 is about 37545.8422731466. The cubic root of 1409690272 is about 1121.2640575131.

The spelling of 1409690272 in words is "one billion, four hundred nine million, six hundred ninety thousand, two hundred seventy-two".