1405045532 has 12 divisors (see below), whose sum is σ = 2682359736. Its totient is φ = 638657040.

The previous prime is 1405045507. The next prime is 1405045549. The reversal of 1405045532 is 2355405041.

It is a junction number, because it is equal to n+sod(n) for n = 1405045495 and 1405045504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15966383 + ... + 15966470.

It is an arithmetic number, because the mean of its divisors is an integer number (223529978).

Almost surely, 2^1405045532 is an apocalyptic number.

It is an amenable number.

1405045532 is a deficient number, since it is larger than the sum of its proper divisors (1277314204).

1405045532 is a wasteful number, since it uses less digits than its factorization.

1405045532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31932868 (or 31932866 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1405045532 is about 37483.9369863946. The cubic root of 1405045532 is about 1120.0312310594.

The spelling of 1405045532 in words is "one billion, four hundred five million, forty-five thousand, five hundred thirty-two".