1054220240 has 40 divisors (see below), whose sum is σ = 2482103040. Its totient is φ = 416347776.

The previous prime is 1054220221. The next prime is 1054220257. The reversal of 1054220240 is 420224501.

It is a happy number.

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

It is a super-2 number, since 2×1054220240² = 2222760628851315200, which contains 22 as substring.

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

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, 77084 + ... + 89723.

It is an arithmetic number, because the mean of its divisors is an integer number (62052576).

Almost surely, 2^1054220240 is an apocalyptic number.

1054220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054220240 is an abundant number, since it is smaller than the sum of its proper divisors (1427882800).

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

1054220240 is a wasteful number, since it uses less digits than its factorization.

1054220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166899 (or 166893 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1054220240 is about 32468.7579066400. The cubic root of 1054220240 is about 1017.7562623859.

Adding to 1054220240 its reverse (420224501), we get a palindrome (1474444741).

The spelling of 1054220240 in words is "one billion, fifty-four million, two hundred twenty thousand, two hundred forty".