1540003950 has 36 divisors (see below), whose sum is σ = 4137478488. Its totient is φ = 410667600.

The previous prime is 1540003943. The next prime is 1540003991. The reversal of 1540003950 is 593000451.

It is a super-2 number, since 2×1540003950² = 4743224332031205000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1710666 + ... + 1711565.

It is an arithmetic number, because the mean of its divisors is an integer number (114929958).

Almost surely, 2^1540003950 is an apocalyptic number.

1540003950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540003950 is an abundant number, since it is smaller than the sum of its proper divisors (2597474538).

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

1540003950 is a wasteful number, since it uses less digits than its factorization.

1540003950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422249 (or 3422241 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1540003950 is about 39242.8840683250. The cubic root of 1540003950 is about 1154.8013376200.

The spelling of 1540003950 in words is "one billion, five hundred forty million, three thousand, nine hundred fifty".