1409918672 has 10 divisors (see below), whose sum is σ = 2731717458. Its totient is φ = 704959328.

The previous prime is 1409918651. The next prime is 1409918677. The reversal of 1409918672 is 2768199041.

It can be written as a sum of positive squares in only one way, i.e., 1303498816 + 106419856 = 36104^2 + 10316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409918677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44059943 + ... + 44059974.

Almost surely, 2^1409918672 is an apocalyptic number.

It is an amenable number.

1409918672 is a deficient number, since it is larger than the sum of its proper divisors (1321798786).

1409918672 is an equidigital number, since it uses as much as digits as its factorization.

1409918672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88119925 (or 88119919 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1409918672 is about 37548.8837650335. The cubic root of 1409918672 is about 1121.3246105026.

The spelling of 1409918672 in words is "one billion, four hundred nine million, nine hundred eighteen thousand, six hundred seventy-two".