1010231440 has 40 divisors (see below), whose sum is σ = 2354992128. Its totient is φ = 403025280.

The previous prime is 1010231419. The next prime is 1010231459. The reversal of 1010231440 is 441320101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 14155 + ... + 47125.

Almost surely, 2^1010231440 is an apocalyptic number.

1010231440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010231440 is an abundant number, since it is smaller than the sum of its proper divisors (1344760688).

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

1010231440 is a wasteful number, since it uses less digits than its factorization.

1010231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33367 (or 33361 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1010231440 is about 31784.1381824331. The cubic root of 1010231440 is about 1003.3989142928.

Adding to 1010231440 its reverse (441320101), we get a palindrome (1451551541).

The spelling of 1010231440 in words is "one billion, ten million, two hundred thirty-one thousand, four hundred forty".