1421452044 has 24 divisors (see below), whose sum is σ = 3685246320. Its totient is φ = 473817312.

The previous prime is 1421452037. The next prime is 1421452057. The reversal of 1421452044 is 4402541241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1421451999 and 1421452017.

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, 6580689 + ... + 6580904.

It is an arithmetic number, because the mean of its divisors is an integer number (153551930).

Almost surely, 2^1421452044 is an apocalyptic number.

It is an amenable number.

1421452044 is an abundant number, since it is smaller than the sum of its proper divisors (2263794276).

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

1421452044 is a wasteful number, since it uses less digits than its factorization.

1421452044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161606 (or 13161598 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1421452044 is about 37702.1490634155. The cubic root of 1421452044 is about 1124.3738524551.

Adding to 1421452044 its reverse (4402541241), we get a palindrome (5823993285).

The spelling of 1421452044 in words is "one billion, four hundred twenty-one million, four hundred fifty-two thousand, forty-four".