1040151555 has 24 divisors (see below), whose sum is σ = 1865101680. Its totient is φ = 535617600.

The previous prime is 1040151551. The next prime is 1040151569. The reversal of 1040151555 is 5551510401.

1040151555 is a `hidden beast` number, since 104 + 0 + 1 + 5 + 1 + 555 = 666.

It is not a de Polignac number, because 1040151555 - 2² = 1040151551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040151551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397221 + ... + 399830.

It is an arithmetic number, because the mean of its divisors is an integer number (77712570).

Almost surely, 2^1040151555 is an apocalyptic number.

1040151555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040151555 is a deficient number, since it is larger than the sum of its proper divisors (824950125).

1040151555 is a wasteful number, since it uses less digits than its factorization.

1040151555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797091 (or 797088 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 1040151555 is about 32251.3806681202. The cubic root of 1040151555 is about 1013.2086159725.

Adding to 1040151555 its reverse (5551510401), we get a palindrome (6591661956).

It can be divided in two parts, 104015 and 1555, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 1040151555 in words is "one billion, forty million, one hundred fifty-one thousand, five hundred fifty-five".