40051361402 has 32 divisors (see below), whose sum is σ = 65022048000. Its totient is φ = 18392891328.

The previous prime is 40051361381. The next prime is 40051361417. The reversal of 40051361402 is 20416315004.

It is a super-2 number, since 2×40051361402² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12109433 + ... + 12112739.

It is an arithmetic number, because the mean of its divisors is an integer number (2031939000).

Almost surely, 2^40051361402 is an apocalyptic number.

40051361402 is a deficient number, since it is larger than the sum of its proper divisors (24970686598).

40051361402 is a wasteful number, since it uses less digits than its factorization.

40051361402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 40051361402 its reverse (20416315004), we get a palindrome (60467676406).

The spelling of 40051361402 in words is "forty billion, fifty-one million, three hundred sixty-one thousand, four hundred two".