1000004540 has 24 divisors (see below), whose sum is σ = 2103034752. Its totient is φ = 399425600.

The previous prime is 1000004539. The next prime is 1000004567. The reversal of 1000004540 is 454000001.

It is a super-2 number, since 2×1000004540² = 2000018160041223200, which contains 22 as substring.

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, 21644 + ... + 49683.

It is an arithmetic number, because the mean of its divisors is an integer number (87626448).

Almost surely, 2^1000004540 is an apocalyptic number.

1000004540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000004540 is an abundant number, since it is smaller than the sum of its proper divisors (1103030212).

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

1000004540 is a wasteful number, since it uses less digits than its factorization.

1000004540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72037 (or 72035 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1000004540 is about 31622.8483853052. The cubic root of 1000004540 is about 1000.0015133310.

Adding to 1000004540 its reverse (454000001), we get a palindrome (1454004541).

The spelling of 1000004540 in words is "one billion, four thousand, five hundred forty".