1431400040 has 64 divisors (see below), whose sum is σ = 3759091200. Its totient is φ = 480319488.

The previous prime is 1431400037. The next prime is 1431400043. The reversal of 1431400040 is 400041341.

It is an interprime number because it is at equal distance from previous prime (1431400037) and next prime (1431400043).

It is a junction number, because it is equal to n+sod(n) for n = 1431399991 and 1431400018.

It is not an unprimeable number, because it can be changed into a prime (1431400043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41225 + ... + 67544.

It is an arithmetic number, because the mean of its divisors is an integer number (58735800).

Almost surely, 2^1431400040 is an apocalyptic number.

1431400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431400040 is an abundant number, since it is smaller than the sum of its proper divisors (2327691160).

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

1431400040 is a wasteful number, since it uses less digits than its factorization.

1431400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108834 (or 108830 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1431400040 is about 37833.8478085431. The cubic root of 1431400040 is about 1126.9907244879.

Adding to 1431400040 its reverse (400041341), we get a palindrome (1831441381).

The spelling of 1431400040 in words is "one billion, four hundred thirty-one million, four hundred thousand, forty".