1040140455 has 8 divisors (see below), whose sum is σ = 1664224752. Its totient is φ = 554741568.

The previous prime is 1040140429. The next prime is 1040140469. The reversal of 1040140455 is 5540410401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040140455 - 2⁶ = 1040140391 is a prime.

It is a super-2 number, since 2×1040140455² = 2163784332255214050, which contains 22 as substring.

It is a congruent number.

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, 34671334 + ... + 34671363.

It is an arithmetic number, because the mean of its divisors is an integer number (208028094).

Almost surely, 2^1040140455 is an apocalyptic number.

1040140455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040140455 is a deficient number, since it is larger than the sum of its proper divisors (624084297).

1040140455 is an equidigital number, since it uses as much as digits as its factorization.

1040140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69342705.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1040140455 is about 32251.2085820051. The cubic root of 1040140455 is about 1013.2050118004.

Adding to 1040140455 its reverse (5540410401), we get a palindrome (6580550856).

The spelling of 1040140455 in words is "one billion, forty million, one hundred forty thousand, four hundred fifty-five".