1014042440 has 32 divisors (see below), whose sum is σ = 2320272000. Its totient is φ = 398741184.

The previous prime is 1014042439. The next prime is 1014042443. The reversal of 1014042440 is 442404101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1014042443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212480 + ... + 217199.

It is an arithmetic number, because the mean of its divisors is an integer number (72508500).

Almost surely, 2^1014042440 is an apocalyptic number.

1014042440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1014042440 is an abundant number, since it is smaller than the sum of its proper divisors (1306229560).

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

1014042440 is a wasteful number, since it uses less digits than its factorization.

1014042440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429749 (or 429745 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1014042440 is about 31844.0330360336. The cubic root of 1014042440 is about 1004.6590726638.

Adding to 1014042440 its reverse (442404101), we get a palindrome (1456446541).

The spelling of 1014042440 in words is "one billion, fourteen million, forty-two thousand, four hundred forty".