4477778940 has 48 divisors (see below), whose sum is σ = 12540840480. Its totient is φ = 1193783040.

The previous prime is 4477778927. The next prime is 4477778953. The reversal of 4477778940 is 498777744.

It is an interprime number because it is at equal distance from previous prime (4477778927) and next prime (4477778953).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367750 + ... + 379730.

It is an arithmetic number, because the mean of its divisors is an integer number (261267510).

Almost surely, 2^4477778940 is an apocalyptic number.

It is an amenable number.

4477778940 is an abundant number, since it is smaller than the sum of its proper divisors (8063061540).

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

4477778940 is a wasteful number, since it uses less digits than its factorization.

4477778940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222 (or 18220 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 57.

The square root of 4477778940 is about 66916.2083504438. The cubic root of 4477778940 is about 1648.2416456660.

The spelling of 4477778940 in words is "four billion, four hundred seventy-seven million, seven hundred seventy-eight thousand, nine hundred forty".