1940701478 has 16 divisors (see below), whose sum is σ = 2937544704. Its totient is φ = 961538760.

The previous prime is 1940701447. The next prime is 1940701481. The reversal of 1940701478 is 8741070491.

It is a super-2 number, since 2×1940701478² = 7532644453422768968, 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, 227201 + ... + 235587.

It is an arithmetic number, because the mean of its divisors is an integer number (183596544).

Almost surely, 2^1940701478 is an apocalyptic number.

1940701478 is a deficient number, since it is larger than the sum of its proper divisors (996843226).

1940701478 is a wasteful number, since it uses less digits than its factorization.

1940701478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1940701478 is about 44053.3934901728. The cubic root of 1940701478 is about 1247.3440092074.

The spelling of 1940701478 in words is "one billion, nine hundred forty million, seven hundred one thousand, four hundred seventy-eight".