1023954240 has 56 divisors (see below), whose sum is σ = 3251057760. Its totient is φ = 273054208.

The previous prime is 1023954221. The next prime is 1023954271. The reversal of 1023954240 is 424593201.

It is a super-2 number, since 2×1023954240² = 2096964571227955200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1023954198 and 1023954207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532350 + ... + 534269.

Almost surely, 2^1023954240 is an apocalyptic number.

1023954240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023954240 is an abundant number, since it is smaller than the sum of its proper divisors (2227103520).

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

1023954240 is a wasteful number, since it uses less digits than its factorization.

1023954240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066639 (or 1066629 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1023954240 is about 31999.2849920119. The cubic root of 1023954240 is about 1007.9218256331.

The spelling of 1023954240 in words is "one billion, twenty-three million, nine hundred fifty-four thousand, two hundred forty".