1011442356 has 48 divisors (see below), whose sum is σ = 2639004480. Its totient is φ = 334994400.

The previous prime is 1011442339. The next prime is 1011442361. The reversal of 1011442356 is 6532441101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870 + ... + 46781.

It is an arithmetic number, because the mean of its divisors is an integer number (54979260).

Almost surely, 2^1011442356 is an apocalyptic number.

It is an amenable number.

1011442356 is an abundant number, since it is smaller than the sum of its proper divisors (1627562124).

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

1011442356 is a wasteful number, since it uses less digits than its factorization.

1011442356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59821 (or 59813 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1011442356 is about 31803.1815389593. The cubic root of 1011442356 is about 1003.7996629424.

Adding to 1011442356 its reverse (6532441101), we get a palindrome (7543883457).

The spelling of 1011442356 in words is "one billion, eleven million, four hundred forty-two thousand, three hundred fifty-six".