1427400501 has 16 divisors (see below), whose sum is σ = 1910638464. Its totient is φ = 947890944.

The previous prime is 1427400473. The next prime is 1427400509. The reversal of 1427400501 is 1050047241.

It is not a de Polignac number, because 1427400501 - 2²⁹ = 890529589 is a prime.

It is a super-4 number, since 4×1427400501⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427400509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522905 + ... + 1523841.

It is an arithmetic number, because the mean of its divisors is an integer number (119414904).

Almost surely, 2^1427400501 is an apocalyptic number.

It is an amenable number.

1427400501 is a deficient number, since it is larger than the sum of its proper divisors (483237963).

1427400501 is an equidigital number, since it uses as much as digits as its factorization.

1427400501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1427400501 is about 37780.9542097602. The cubic root of 1427400501 is about 1125.9400869051.

Adding to 1427400501 its reverse (1050047241), we get a palindrome (2477447742).

The spelling of 1427400501 in words is "one billion, four hundred twenty-seven million, four hundred thousand, five hundred one".