40020035154 has 32 divisors (see below), whose sum is σ = 88216623936. Its totient is φ = 12002257920.

The previous prime is 40020035147. The next prime is 40020035161. The reversal of 40020035154 is 45153002004.

It is an interprime number because it is at equal distance from previous prime (40020035147) and next prime (40020035161).

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, 3119187 + ... + 3131990.

It is an arithmetic number, because the mean of its divisors is an integer number (2756769498).

Almost surely, 2^40020035154 is an apocalyptic number.

40020035154 is an abundant number, since it is smaller than the sum of its proper divisors (48196588782).

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

40020035154 is a wasteful number, since it uses less digits than its factorization.

40020035154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251290.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 40020035154 its reverse (45153002004), we get a palindrome (85173037158).

The spelling of 40020035154 in words is "forty billion, twenty million, thirty-five thousand, one hundred fifty-four".