4155131040 has 48 divisors (see below), whose sum is σ = 13088664288. Its totient is φ = 1108034816.

The previous prime is 4155131003. The next prime is 4155131051. The reversal of 4155131040 is 401315514.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4155131040² = 34530227919142963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4155131040.

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, 4327782 + ... + 4328741.

It is an arithmetic number, because the mean of its divisors is an integer number (272680506).

Almost surely, 2^4155131040 is an apocalyptic number.

4155131040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4155131040 is an abundant number, since it is smaller than the sum of its proper divisors (8933533248).

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

4155131040 is a wasteful number, since it uses less digits than its factorization.

4155131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656541 (or 8656533 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 4155131040 is about 64460.3059254298. The cubic root of 4155131040 is about 1607.6625984499.

Adding to 4155131040 its reverse (401315514), we get a palindrome (4556446554).

The spelling of 4155131040 in words is "four billion, one hundred fifty-five million, one hundred thirty-one thousand, forty".