40702420 has 48 divisors (see below), whose sum is σ = 98739648. Its totient is φ = 13928960.

The previous prime is 40702393. The next prime is 40702421. The reversal of 40702420 is 2420704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40702421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (2057076).

Almost surely, 2^40702420 is an apocalyptic number.

It is an amenable number.

40702420 is an abundant number, since it is smaller than the sum of its proper divisors (58037228).

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

40702420 is a wasteful number, since it uses less digits than its factorization.

40702420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920 (or 10918 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 40702420 is about 6379.8448256991. The cubic root of 40702420 is about 343.9854532338.

It can be divided in two parts, 407024 and 20, that added together give a square (407044 = 638²).

The spelling of 40702420 in words is "forty million, seven hundred two thousand, four hundred twenty".