1402424420 has 12 divisors (see below), whose sum is σ = 2945091324. Its totient is φ = 560969760.

The previous prime is 1402424383. The next prime is 1402424461. The reversal of 1402424420 is 244242041.

It can be written as a sum of positive squares in 2 ways, for example, as 845181184 + 557243236 = 29072^2 + 23606^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 35060591 + ... + 35060630.

It is an arithmetic number, because the mean of its divisors is an integer number (245424277).

Almost surely, 2^1402424420 is an apocalyptic number.

1402424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402424420 is an abundant number, since it is smaller than the sum of its proper divisors (1542666904).

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

1402424420 is a wasteful number, since it uses less digits than its factorization.

1402424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70121230 (or 70121228 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1402424420 is about 37448.9575288819. The cubic root of 1402424420 is about 1119.3343248832.

Adding to 1402424420 its reverse (244242041), we get a palindrome (1646666461).

The spelling of 1402424420 in words is "one billion, four hundred two million, four hundred twenty-four thousand, four hundred twenty".