16040285402 has 8 divisors (see below), whose sum is σ = 24064563456. Its totient is φ = 8018764252.

The previous prime is 16040285389. The next prime is 16040285419. The reversal of 16040285402 is 20458204061.

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

It is a super-2 number, since 2×16040285402² (a number of 21 digits) contains 22 as substring.

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, 674618 + ... + 697989.

It is an arithmetic number, because the mean of its divisors is an integer number (3008070432).

Almost surely, 2^16040285402 is an apocalyptic number.

16040285402 is a deficient number, since it is larger than the sum of its proper divisors (8024278054).

16040285402 is a wasteful number, since it uses less digits than its factorization.

16040285402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378452.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 16040285402 its reverse (20458204061), we get a palindrome (36498489463).

The spelling of 16040285402 in words is "sixteen billion, forty million, two hundred eighty-five thousand, four hundred two".