1402240520015 has 8 divisors (see below), whose sum is σ = 1684661300448. Its totient is φ = 1120477298400.

The previous prime is 1402240519987. The next prime is 1402240520099. The reversal of 1402240520015 is 5100250422041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402240520015 - 2¹⁶ = 1402240454479 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 164385011 + ... + 164393540.

It is an arithmetic number, because the mean of its divisors is an integer number (210582662556).

Almost surely, 2^{1402240520015} is an apocalyptic number.

1402240520015 is a deficient number, since it is larger than the sum of its proper divisors (282420780433).

1402240520015 is an equidigital number, since it uses as much as digits as its factorization.

1402240520015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328779409.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1402240520015 its reverse (5100250422041), we get a palindrome (6502490942056).

The spelling of 1402240520015 in words is "one trillion, four hundred two billion, two hundred forty million, five hundred twenty thousand, fifteen".