40155263156 has 6 divisors (see below), whose sum is σ = 70271710530. Its totient is φ = 20077631576.

The previous prime is 40155263149. The next prime is 40155263189. The reversal of 40155263156 is 65136255104.

It can be written as a sum of positive squares in only one way, i.e., 40152144400 + 3118756 = 200380^2 + 1766^2 .

It is a super-2 number, since 2×40155263156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019407891 + ... + 5019407898.

It is an arithmetic number, because the mean of its divisors is an integer number (11711951755).

Almost surely, 2^40155263156 is an apocalyptic number.

It is an amenable number.

40155263156 is a deficient number, since it is larger than the sum of its proper divisors (30116447374).

40155263156 is a wasteful number, since it uses less digits than its factorization.

40155263156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038815793 (or 10038815791 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 40155263156 in words is "forty billion, one hundred fifty-five million, two hundred sixty-three thousand, one hundred fifty-six".