1402420410 has 24 divisors (see below), whose sum is σ = 3646293300. Its totient is φ = 373978752.

The previous prime is 1402420379. The next prime is 1402420417. The reversal of 1402420410 is 140242041.

1402420410 is a `hidden beast` number, since 14 + 0 + 242 + 0 + 410 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1271706921 + 130713489 = 35661^2 + 11433^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1402420417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7791135 + ... + 7791314.

Almost surely, 2^1402420410 is an apocalyptic number.

1402420410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402420410 is an abundant number, since it is smaller than the sum of its proper divisors (2243872890).

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

1402420410 is a wasteful number, since it uses less digits than its factorization.

1402420410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15582462 (or 15582459 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402420410 is about 37448.9039893025. The cubic root of 1402420410 is about 1119.3332580319. Note that the first 3 decimals are identical.

Adding to 1402420410 its reverse (140242041), we get a palindrome (1542662451).

The spelling of 1402420410 in words is "one billion, four hundred two million, four hundred twenty thousand, four hundred ten".